Journal Article

FZJ-2020-04346

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png T1-mapping and dielectric properties evaluation of a 3D printable rubber-elastomeric polymer as tissue mimicking materials for MRI phantoms

Talalwa, L. (First author)FZJ*RWTH* ; Natour, G.FZJ*RWTH* ; Bauer, A.FZJ* ; Drzezga, A.FZJ* ; Beer, S. (Corresponding author)FZJ* ; Gordjinejad, A. (Corresponding author)FZJ*

2020
IOP Publ. Bristol

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Please use a persistent id in citations: http://hdl.handle.net/2128/27334  doi:10.1088/2053-1591/abc76f

Abstract: In this study, a new series of 3D printable rubber-elastomeric polymer called PORO-LAY materials have been investigated regarding their suitability to serve as tissue mimicking materials (TMMs) for MRI phantoms. PORO-LAY materials have been previously used in biofuel cell developments, particle filtrations and modeling elastic tissues. We evaluated the electrical permittivity, electrical conductivity, spin-lattice T1-relaxation time and acquired the MRI contrast for simple and multi-material complex 3D printed shapes made of PORO-LAY materials at 3.0 T. The results showed a T1 diversity within PORO-LAY materials, which reveals in different MR image contrasts. The outcome favors PORO-LAY as an appropriate candidate that can be used in multi-materials additive manufacturing to produce realistic shapes such as white/grey matter structures for MRI phantoms with visible clear contrast. Finally, this study could serve as a reference and guideline when using these materials as tissue mimicking materials for different types of human body tissues and provide a promising opportunity to design novel phantoms for a wide range of MRI applications.

Keyword(s): Instrument and Method Development (2nd) ; Materials Science (2nd) ; Medicine (2nd)

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Contributing Institute(s):

1. Zentralinstitut für Technologie (ZEA-1)
2. Molekulare Organisation des Gehirns (INM-2)

Research Program(s):

1. 573 - Neuroimaging (POF3-573) (POF3-573)

Appears in the scientific report 2020

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